Gage with axially movable operating means

Claim 1

A GAGE FOR A TEST PART WITH A GROOVE HAVING OPPOSITE SURFACES AND ADAPTED TO CARRY AT LEAST ONE INDICATOR HAVING A CONTACTOR COMPRISING A FRAME MEMBER, AN AXIALLY EXTENDING GUIDEWAY CARRIED BY THE FRAME MEMBER, A PLURALITY OF RADIALLY EXTENDING GUIDEWAYS CARRIED BY THE FRAME MEMBER, GAGING MEANS MOUNTED IN EACH RADIAL GUIDEWAY AND MOVING RADIALLY THEREON, EACH GAGING MEANS INCLUDING A GAGING ELEMENT WITH A GAGING SURFACE, OPERATING MEANS INCLUDING AN OPERATING MEMBER MOUNTED ON THE GUIDEWAY FOR AXIAL MOVEMENT AND HAVING AN AXIS, A TAPER SURFACE CARRIED BY THE OPERATING MEMBER AND HAVING AN ANGLE OF 26*, 34'', THE TAPER SURFACE ENGAGING EACH GAGING MEANS TO OPERATIVELY CONNECT THE SAME WITH THE OPERATING MEMBER, A FIRST SPRING MEANS PROPELLING THE OPERATING MEMBER AXIALLY ALONG THE GUIDEWAY AND IN A DIRECTION TO PROPEL THE GAGING MEANS INTO CONTACT WITH THE GROOVE OF THE TEST PART, A SECOND SPRING MEANS ENGAGING THE GAGING MEANS TO PROPEL THE SAME AWAY FROM CONTACT WITH THE TEST PART WHEN THE FIRST SPRING MEANS IS CONTRACTED AND MANUAL MEANS CONNECTED WITH THE OPERATING MEMBER TO MOVE THE SAME AGAINST THE SPRING MEANS TO RELEASE THE TEST PART; EACH GAGING MEANS MOVING RADIALLY AN EQUAL AMOUNT TO ENGAGE THE GROOVE TO GAGE THE SAME AND TO CENTRALIZE THE GROOVE OF THE TEST PART WITH RESPECT TO THE AXIS OF THE OPERATING MEMBER, BALL BEARING MOUNTING MEANS INCLUDING BALLS AND COOPERATING BALL SUR-